DSPIC33EP128MU206-H/PT - 16-bit DSC, 128KB Flash, USB | Microchip
MPN: DSPIC33EP128MU206-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.95 | $8.95 |
| 10 | $8.2 | $82.00 |
| 100 | $7.4 | $740.00 |
| 500 | $6.75 | $3,375.00 |
| 1,000 | $6.1 | $6,100.00 |
DSPIC33EP128MU206-H/PT Overview
A digital signal controller combines the computational capability of a digital signal processor with the peripheral integration and ease of use of a microcontroller. DSCs sit in the embedded processing hierarchy between general-purpose MCUs and dedicated DSPs, offering single-cycle MAC (multiply-accumulate) instructions, DSP-style addressing modes, and hardware divide support while retaining familiar MCU peripherals such as UART, SPI, I2C, timers, and PWM.
Key features of the DSPIC33EP128MU206-H/PT include a 16-bit modified Harvard architecture dsPIC33E core, 12-bit analog-to-digital converter, motor control PWM (MC PWM), quadrature encoder interface (QEI), charge time measurement unit (CTMU), programmable gain amplifiers (3 op-amps), UART, SPI, I2C, and USB connectivity. The MU sub-family is distinguished by its USB OTG capability, making it well suited for communication-centric designs.
The device leverages Microchip's dsPIC33EP architecture, delivering high computation throughput for real-time control loops and digital filtering. The CTMU enables capacitive touch and precise time-interval measurement, while the PTG (programmable toggle generator) offloads sequencing tasks from the CPU, reducing interrupt latency in time-critical applications.
Typical applications include digital power supplies, motor control (BLDC/PMSM with QEI feedback), USB-connected industrial instruments, capacitive touch interfaces, and sensor acquisition systems requiring 12-bit ADC accuracy.
Design consideration: the -H temperature suffix denotes an extended temperature grade; confirm the required operating range in the latest Microchip datasheet before finalizing BOM, and verify USB compliance only when the internal 3.3V regulator and proper filtering are used.
This page synthesizes distributor stock data, drop-in alternatives, and design guidance not consolidated in the manufacturer datasheet, with pricing as of 2026-09-24.
Drop-in alternatives for DSPIC33EP128MU206-H/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33EP128MU206-H/PT (same form factor and footprint) — differing in Package, Operating Temperature, RoHS Status, Core, Core Processor.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MU204T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP128MC206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP128GM306-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.15 / Unit
View Datasheet →DSPIC33CK128MP206
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MU206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.91 / Unit
View Datasheet →DSPIC33EP128MU206-H/PT Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33E 16-bit core |
| Core Size | 16-bit |
| Program Memory (Flash) | 128 KB |
| RAM Size | 16 KB |
| Data Flash | 1 KB |
| Package | TQFP-64 (10 x 10 x 1 mm) |
| Mounting Type | Surface Mount |
| ADC Resolution | 12-bit |
| Analog Comparators / Op-Amps | 3 op-amps |
| Connectivity | USB, UART, SPI, I2C |
| Special Peripherals | MC PWM, QEI, CTMU, PTG |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
| Lead Free Status | Lead Free |
| Base Part Number | DSPIC33EP128MU206 |
DSPIC33EP128MU206-H/PT tqfp-64 (10 x 10 x 1 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP128MU206-H/PT (tqfp-64 (10 x 10 x 1 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33EP128MU206-H/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MU206-H/PT is suitable for 6 applications: Digital Power Supplies, BLDC / PMSM Motor Control, USB-Connected Industrial Instruments, Capacitive Touch Interfaces, Sensor Acquisition and Data Logging, Audio and Signal Processing Nodes.
Digital Power Supplies
The DSPIC33EP128MU206-H/PT fits digital power conversion because its MC PWM module supports complementary outputs, dead-time insertion, and high-resolution duty updates required by LLC, buck, and PFC topologies. The 12-bit ADC can sample output voltage and inductor current within the same switching period, and the dsPIC33E core's single-cycle MAC instructions execute the compensator (PI or 3p3z) efficiently. Placing the controller between the feedback divider and gate drivers, with CTMU-assisted timing, yields closed-loop bandwidths adequate for most industrial supplies; USB also enables in-system tuning of compensation coefficients.
Recommended
BLDC / PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33EP128MU206-H/PT offers motor control PWM with complementary pairs and programmable dead time, a quadrature encoder interface for rotor position feedback, and a 12-bit ADC synchronized to PWM for phase-current sampling. The 16-bit DSP core computes Clarke/Park transforms and field-oriented control loops with single-cycle multiply-accumulate operations. USB connectivity allows a PC to log torque and speed telemetry during commissioning, while the CTMU can time-stamp hall transitions, making the device a compact single-chip servo controller solution.
Recommended
USB-Connected Industrial Instruments
The MU sub-family's full-speed USB 2.0 OTG peripheral makes the DSPIC33EP128MU206-H/PT ideal for bench instruments, data loggers, and calibration tools that report to a PC over USB CDC/HID. The device sustains USB transactions while its DSP core runs signal processing on 12-bit ADC data, and 16 KB of RAM buffers acquisition bursts. UART, SPI, and I2C (via Peripheral Pin Select) connect front-end sensors and EEPROM storage. Because USB is integrated, no external USB interface chip is needed, reducing BOM cost and board area in compact handheld instruments.
Recommended
Capacitive Touch Interfaces
The on-chip Charge Time Measurement Unit (CTMU) on the DSPIC33EP128MU206-H/PT measures charge transfer times with sub-nanosecond resolution, enabling capacitive touch keys, sliders, and proximity sensing without a dedicated touch controller. Up to dozens of channels can be scanned using the 12-bit ADC input mux, and the 3 integrated op-amps condition sensor signals. USB output lets a touch panel double as a HID human-interface device. Microchip touch libraries run on the dsPIC33E core, providing self-calibration and drift compensation for consumer and appliance panels.
Recommended
Sensor Acquisition and Data Logging
With a 12-bit ADC, CTMU-based precise timing, and 16 KB of RAM, the DSPIC33EP128MU206-H/PT serves multi-channel sensor acquisition nodes in industrial monitoring. SPI connects high-speed ADCs or flash for local logging, I2C reads environmental sensors, and UART links RS-485 transceivers for long-haul networking. The PTG (programmable toggle generator) sequences sampling autonomously, reducing CPU interrupt load. USB permits direct field commissioning from a laptop. The extended -H temperature grade supports enclosures exposed to elevated ambient temperatures such as pump rooms and rooftop installations.
Recommended
Audio and Signal Processing Nodes
The dsPIC33E core's DSP instruction set (MAC, dual fetch, modulo addressing) lets the DSPIC33EP128MU206-H/PT implement FIR/IIR filters, FFT-based analysis, and audio effects at moderate sample rates. The 12-bit ADC captures line-level inputs through the integrated op-amps, and PPS-routed SPI or UART interfaces external audio codecs. USB Audio Class firmware streams processed audio to a host, exploiting the MU sub-family's USB peripheral. Applications include room EQ, industrial acoustic monitors, and intercom systems where a full DSP chip is unnecessary but some real-time filtering is required.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MU206-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MU204T-I/PT | DSPIC33EP128MC206-I/PT | DSPIC33EP128GM306-E/PT | DSPIC33CK128MP206 |
|---|---|---|---|---|---|
| Package | TQFP-64 (10 x 10 x 1 mm) | TQFP-64 | TQFP-64 | TQFP-64 | TQFP-64 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| USB | Yes (full-speed USB 2.0 OTG) | Yes (USB OTG) | No | Yes | Yes |
| ADC | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit, higher sample rate |
| CAN Support | No (CAN on GM sub-family only) | No | No | Yes (dual CAN) | Yes (CAN FD) |
Key Differentiators
- Integrated USB 2.0 OTG peripheral (vs DSPIC33EP128MC206-I/PT)
- Extended -H temperature grade availability (vs DSPIC33EP128MU206-I/PT)
- Larger I/O count vs MU204 (vs DSPIC33EP128MU204T-I/PT)
- Trade-off: older core vs dsPIC33CK (vs DSPIC33CK128MP206)
Design Notes
The dsPIC33EP core requires a clean 3.3V supply with dedicated decoupling: place 100 nF ceramic capacitors at each VDD/VSS pair plus a 10 uF bulk capacitor near the device. USB operation demands stable VUSB 3.3V rail - use the internal regulator per the datasheet USB chapter with the specified capacitor on the VUSB pin, or supply VUSB externally with an LDO. Estimated: at 70 MIPS-equivalent core activity plus USB, current draw stays within tens of mA, so a 500 mA 3.3V rail is generally sufficient.
The TQFP-64 10 x 10 mm footprint needs a solid ground plane on layer 2 for analog performance of the 12-bit ADC and CTMU. Keep the ADC reference (VREF+/AVDD) routed away from USB differential pair traces; USB D+/D- must be routed as a 90-ohm differential pair with length matching within 1.5 mm. Use Peripheral Pin Select (PPS) flexibility to route fast PWM away from sensitive analog pins rather than relying on board isolation alone.
The -H temperature suffix part must not be casually substituted with -I grade parts in high-ambient enclosures; verify the exact -H operating range in the latest Microchip datasheet before BOM release. Also confirm the MSL rating on the tray label and bake per JEDEC guidance before reflow if floor life was exceeded. Finally, when substituting MU204 or MC206 variants, re-verify the 64-pin map and configuration words - microcontroller pin functions are remappable and differ between sub-families.
Compliance Information
ROHS3 compliant and lead free per IC Components Ltd (ics-300.com) distributor listing. REACH, halogen-free, and conflict-minerals status not stated in provided data - confirm via Microchip green-package documentation.
